4.8 • 739 Ratings
🗓️ 16 January 2020
⏱️ 28 minutes
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0:00.0 | Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory, |
0:05.2 | we're asking the reason alien civilizations might be rare is because most aliens are huge. |
0:10.5 | To hear it and every episode early and ad-free, plus hours of bonus content, check out |
0:15.5 | go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur. |
0:20.5 | This episode is sponsored by Brilliant. |
0:23.9 | The moon has beckoned to humanity throughout history, and it will soon be our ladder, extending |
0:28.9 | our reach further into the cosmos. |
0:32.7 | Today we'll be looking at the moon, and how it might in the century to come, |
0:36.7 | servers of vital manufacturing and fuel refining depot and stepping stone. Interestingly though, its biggest |
0:43.5 | role in the near term will likely be focused on the development of space closer to home, in orbit |
0:48.8 | of Earth as the moon is. To see why, we first need to ask what the moon has to offer and how we'll go about |
0:55.2 | getting stuff off the moon. |
0:57.3 | That's a key point because while the moon has plenty of resources, it has little |
1:01.5 | Earth does not have vastly more of. |
1:03.8 | It's also where all our stuff is, including our factories and scientists and engineers |
1:08.2 | and everyone else. |
1:09.8 | This would lead many to think we really have |
1:11.7 | no interest in the moon, and is one of the reasons folks often suggest bypassing it in favor of |
1:16.9 | Mars or other planets. And yet the biggest problem with Earth is that it has so much stuff, |
1:22.4 | as in mass. All that mass generates a gravity well you have to claw your way out of to get into space. |
1:29.2 | It also means there's a thick atmosphere clinging to our world that makes it even harder to launch |
1:33.7 | things, though easier to land stuff, much easier actually than on the moon. |
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